Bug#1138575: jpeg-xl: CVE-2025-70103

[Salvatore Bonaccorso]

Source: jpeg-xl
Version: 0.11.2-5
Severity: important
Tags: security upstream
Forwarded: https://github.com/libjxl/libjxl/issues/4337
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for jpeg-xl.

CVE-2025-70103[0]:
| Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM
| images to the jxl::extras::DecodeImagePNM function in file
| lib/extras/dec/pnm.cc.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-70103
    https://www.cve.org/CVERecord?id=CVE-2025-70103
[1] https://github.com/libjxl/libjxl/issues/4337
[2] https://www.openwall.com/lists/oss-security/2026/05/30/7
[3] https://github.com/libjxl/libjxl/pull/4380

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore